• thymeleaf的fragment例子


    fragment介绍

    fragment类似于JSP的tag,在html中文件中,可以将多个地方出现的元素块用fragment包起来使用。

    定义fragment

    新建foot.html文件

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <footer th:fragment="footDiv">
        the content of footer
    </footer>
    </html>

    fragment的引用

    1. th:insert:保留自己的主标签,保留th:fragment的主标签。
    2. th:replace:不要自己的主标签,保留th:fragment的主标签。
    3. th:include:保留自己的主标签,不要th:fragment的主标签。(官方3.0后不推荐)

    新建test.html文件

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <!--导入片段-->
    <div th:insert="footer :: footDiv"></div>
    <div th:replace="footer :: footDiv"></div>
    <div th:include="footer :: footDiv"></div>
    </html>

    得到的结果为

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html>
    <!--导入片段-->
    <div><footer>
        the content of footer
    </footer></div>
    <footer>
        the content of footer
    </footer>
    <div>
        the content of footer
    </div>
    </html

    fragment的参数设置

    定义:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <div th:fragment="headDiv(showInfo)">
        the content of head!message:[(${showInfo})]
    </div>
    </html>

    调用:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <!--导入片段-->
    <div th:include="head :: headDiv('测试')"></div>
    </html>

    结果:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html>
    <!--导入片段-->
    <div>
        the content of head!message:测试
    </div>
    </html>

    如果是 多个参数的时候例子:

    <div th:fragment="frag (onevar,twovar)">
        <p th:text="${onevar} + ' - ' + ${twovar}">...</p>
    </div>
    
    按参数定义时的顺序进行传递
    <div th:replace="::frag (${value1},${value2})">...</div>
    <div th:replace="::frag (onevar=${value1},twovar=${value2})">...</div>
    可以不按照参数定义的顺序
    <div th:replace="::frag (twovar=${value2},onevar=${value1})">...</div>

    fragment的lexible layouts

    定义:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <head th:fragment="head(title,links,scripts)">
        <title th:replace="${title}">The awesome application</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <link href="/static/css/test.css" rel="stylesheet">
        <script type="text/javascript" src="/static/js/jquery.js"></script>
        <th:block th:replace="${links}" />
        <th:block th:replace="${scripts}" />
    </head>
    </html>

    使用:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <head th:include="head :: head(~{::title},~{::link},~{::script})">
        <title>html的title</title>
        <link rel="stylesheet" th:href="@{/css/bootstrap.css}">
        <script th:src="@{/js/bootstrap.js}"></script>
    </head>
    </html>

    结果:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html>
    <head>
        <title>html的title</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <link href="/static/css/test.css" rel="stylesheet">
        <script type="text/javascript" src="/static/js/jquery.js"></script>
        <link rel="stylesheet" href="/css/bootstrap.css">
        <script src="/js/bootstrap.js"></script>
    </head>
    </html>

    注意是link 和script,不是links 和scripts 
    如果调用的页面没有link或者script ,则指定传入的参数为~{}即可。

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns:th="http://www.thymeleaf.org">
    <head th:include="head :: head(~{::title},~{::link},~{})">
        <title>html的title</title>
        <link rel="stylesheet" th:href="@{/css/bootstrap.css}">
    </head>
    </html>
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  • 原文地址:https://www.cnblogs.com/grasp/p/10735457.html
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